Answered: A report summarized a survey of 2,305…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

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A report summarized a survey of 2,305 working adults. The report indicates that 471 of the working adults surveyed said they were very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years. The sample was selected in a way designed to produce a representative sample of working adults. Construct a 95% confidence interval for the proportion of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years. (Round your answers to three decimal places.)

Interpret the interval.

1. There is a 95% chance that the true proportion of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years falls within this interval.

2. We are 95% confident that the true proportion of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years falls directly in the middle of this interval.

3. There is a 95% chance that the true proportion of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years falls directly in the middle of this interval.

4. We are 95% confident that the mean number of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years falls within this interval.

5. We are 95% confident that the true proportion of working adults who are very concerned that their job will be automated, outsourced, or otherwise made obsolete in the next 5 years falls within this interval.

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